Interdependence of domestic malaria prevention measures and mosquito-human interactions in urban Dar es Salaam, Tanzania

Table 3 House characteristics and human behaviour traits (time period from February to June 2006) of the areas in Dar es Salaam where mosquitoes were sampled indoors and outdoors

Characteristic	Frequency
	N	%
Age
<1 year	62	2.9
1–5 years	231	10.7
6–14 years	403	18.7
>14 years	1457	67.7
Ceiling board
Whole house	37	16.6
Partly	27	12.1
None	159	71.3
Screening
Intact	44	19.7
With holes	90	40.4
Incomplete	31	13.9
Glass windows	2	0.9
None	56	25.1
Bednet usage
Overall	1695	78.8
<1 year	53	96.4
1–5 years	213	92.6
6–14 years	322	79.9
>14 years	1107	76
Treatment status of net
Treated in last 6 months	774	35.9
Treated more than 6 months ago	11	0.6
Never treated	1368	63.5
Other protection against mosquitoes
Coil	198	9.2
Spray	343	15.9
Repellent	158	7.3
None	1454	67.6
Eating location
Indoor	783	74.1
Outdoor	270	25.6
Other	3	0.3
Dinner time
Before 7 pm	59	5.6
Between 7 and 8.30 pm	492	46.6
After 8.30 pm	505	47.8
Resting location after dinner
Indoor	505	47.8
Outdoor	540	51.1
Other or don't know	11	1.1
Bedtime
Before 6 pm	3	0.3
Between 6 and 7 pm	18	1.7
Between 7 and 8 pm	48	4.5
Between 8 and 9 pm	117	11.1
Between 9 and 10 pm	312	29.5
Between 10 and 11 pm	379	35.9
Between 11 and 12 pm	125	11.8
After 12 pm	53	5
Don't know	1	0.1
Waking time
Before 4 am	4	0.4
Between 4 and 5 am	23	2.2
Between 5 and 6 am	173	16.4
Between 6 and 7 am	509	48.2
After 7 am	346	32.8
Don't know/didn't respond	1	0.1
Sleeping location
Outdoor sleeping	56	5.3
Indoor sleeping	1000	94.7

ISSN: 1475-2875